mostly-dom/lib/patchVNode/patchVNodeChildren.js

A virtual-dom for TypeScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var addVNodes_1 = require("../addVNodes");
var removeVNodes_1 = require("../removeVNodes");
var updateChildren_1 = require("../updateChildren");
function patchVNodeChildren(formerVNode, vNode, moduleCallbacks, insertedVNodeQueue) {
    var element = vNode.element;
    var formerChildren = formerVNode.children;
    var children = vNode.children;
    if (formerVNode.text)
        element.textContent = '';
    if (formerChildren && children && formerChildren !== children)
        updateChildren_1.updateChildren(element, formerChildren, children, moduleCallbacks, insertedVNodeQueue);
    else if (children)
        addVNodes_1.addVNodes(element, null, children, 0, endIndex(children), moduleCallbacks, insertedVNodeQueue);
    else if (formerChildren)
        removeVNodes_1.removeVNodes(element, formerChildren, 0, endIndex(formerChildren), moduleCallbacks);
}
exports.patchVNodeChildren = patchVNodeChildren;
function endIndex(vNodeChildren) {
    return vNodeChildren.length - 1;
}
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